Add 18/4 and 15/25
1st number: 4 2/4, 2nd number: 15/25
18/4 + 15/25 is 51/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
18/4 = 18 × 25/4 × 25 = 450/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
15/25 = 15 × 4/25 × 4 = 60/100 - Add the two like fractions:
450/100 + 60/100 = 450 + 60/100 = 510/100 - 510/100 simplified gives 51/10
- So, 18/4 + 15/25 = 51/10
In mixed form: 51/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4+15/25 18/4+30/25 18/8+15/25 18/4+15/50 54/4+15/25 18/4+45/25 18/12+15/25 18/4+15/75 90/4+15/25 18/4+75/25 18/20+15/25 18/28+15/25